AR068200A1 - A SELF-CLEANING DECONTAMINANT PAINT, A METHOD FOR FORMING A COATING AND A SUBSTRATE TO WHICH A COATING SYSTEM IS APPLIED. - Google Patents

A SELF-CLEANING DECONTAMINANT PAINT, A METHOD FOR FORMING A COATING AND A SUBSTRATE TO WHICH A COATING SYSTEM IS APPLIED.

Info

Publication number
AR068200A1
AR068200A1 ARP080103793A AR068200A1 AR 068200 A1 AR068200 A1 AR 068200A1 AR P080103793 A ARP080103793 A AR P080103793A AR 068200 A1 AR068200 A1 AR 068200A1
Authority
AR
Argentina
Prior art keywords
paint
titanium dioxide
self
photocatalytic
cleaning
Prior art date
Application number
Other languages
Spanish (es)
Inventor
Julie Elizabeth Maltby
Claire Bygott
Original Assignee
Millennium Inorganic Chem
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40387842&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AR068200(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Millennium Inorganic Chem filed Critical Millennium Inorganic Chem
Publication of AR068200A1 publication Critical patent/AR068200A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8628—Processes characterised by a specific catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063—Titanium; Oxides or hydroxides thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/39—Photocatalytic properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0215—Coating
    • B01J37/0219—Coating the coating containing organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06—Acrylates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
    • C04B41/5041—Titanium oxide or titanates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/67—Particle size smaller than 100 nm
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/2038—Resistance against physical degradation
    • C04B2111/2061—Materials containing photocatalysts, e.g. TiO2, for avoiding staining by air pollutants or the like
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Composite Materials (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Paints Or Removers (AREA)
  • Civil Engineering (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

Se describen composiciones de recubrimiento autolimpiantes descontaminantes que comprenden un aglutinante orgánico que tiene allí partículas de dioxido de titanio fotocatalíticas dispersas sustancialmente en forma de anatasa que tienen un tamano de cristalito medio de entre aproximadamente 1 nm y aproximadamente 150 nm y que tienen preferentemente actividad fotocatalítica en presencia de Iuz visible. Ventajosamente, los recubrimientos de la invencion no requieren una preactivacion para lograr una actividad fotocatalítica inicial alta contra contaminantes en el arte, tales como los compuestos NOx. Reivindicacion 1: Una pintura descontaminante autolimpiante, caracterizada porque comprende: (i) de aproximadamente 5% a aproximadamente 40% en volumen de dioxido de titanio fotocatalítico en forma de anatasa sustancialmente pura, donde dioxido de titanio fotocatalítico está caracterizado por un tamano de cristalito medio de entre aproximadamente 5 nm y aproximadamente 30 nm y que tiene actividad fotocatalítica en presencia de luz visible; (ii) uno o varios pigmentos adicionales, de modo tal que la concentracion en volumen de pigmento total de dicha pintura, inclusive de dicho dioxido de titanio fotocatalítico, es de al menos aproximadamente el 65%; y (iii) un aglutinante copolimérico acrílico de estireno; siendo capaz dicha pintura de reducir sustancialmente los compuestos NOx inmediatamente después de que un recubrimiento seco de dicha pintura se forme sobre un sustrato, en ausencia de activacion previa con agua.Decontaminating self-cleaning coating compositions are described which comprise an organic binder there having substantially dispersed anatase-shaped photocatalytic titanium dioxide particles having an average crystallite size between about 1 nm and about 150 nm and preferably having photocatalytic activity in presence of visible light. Advantageously, the coatings of the invention do not require preactivation to achieve a high initial photocatalytic activity against contaminants in the art, such as NOx compounds. Claim 1: A self-cleaning decontaminating paint, characterized in that it comprises: (i) from about 5% to about 40% by volume of photocatalytic titanium dioxide in the form of substantially pure anatase, wherein photocatalytic titanium dioxide is characterized by a medium crystallite size between about 5 nm and about 30 nm and having photocatalytic activity in the presence of visible light; (ii) one or more additional pigments, such that the total pigment volume concentration of said paint, including said photocatalytic titanium dioxide, is at least about 65%; and (iii) a styrene acrylic copolymer binder; said paint being able to substantially reduce the NOx compounds immediately after a dry coating of said paint is formed on a substrate, in the absence of prior activation with water.

ARP080103793 2007-08-31 2008-08-29 A SELF-CLEANING DECONTAMINANT PAINT, A METHOD FOR FORMING A COATING AND A SUBSTRATE TO WHICH A COATING SYSTEM IS APPLIED. AR068200A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/848,972 US9358502B2 (en) 2007-08-31 2007-08-31 Photocatalytic coating

Publications (1)

Publication Number Publication Date
AR068200A1 true AR068200A1 (en) 2009-11-11

Family

ID=40387842

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP080103793 AR068200A1 (en) 2007-08-31 2008-08-29 A SELF-CLEANING DECONTAMINANT PAINT, A METHOD FOR FORMING A COATING AND A SUBSTRATE TO WHICH A COATING SYSTEM IS APPLIED.

Country Status (24)

Country Link
US (2) US9358502B2 (en)
EP (1) EP2188125B1 (en)
JP (2) JP5450418B2 (en)
KR (1) KR101474529B1 (en)
CN (2) CN101815614B (en)
AR (1) AR068200A1 (en)
AU (1) AU2008292920B2 (en)
BR (1) BRPI0816087B1 (en)
CA (1) CA2697821C (en)
CO (1) CO6260115A2 (en)
CR (1) CR11300A (en)
DK (1) DK2188125T3 (en)
EA (1) EA019984B1 (en)
ES (1) ES2749876T3 (en)
HK (1) HK1199053A1 (en)
MA (1) MA31636B1 (en)
MX (1) MX2010002343A (en)
NZ (1) NZ583555A (en)
PL (1) PL2188125T3 (en)
SA (1) SA08290547B1 (en)
SI (1) SI2188125T1 (en)
TW (1) TWI400309B (en)
WO (1) WO2009029854A1 (en)
ZA (1) ZA201101691B (en)

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